95% Cotton 5% Nylon?MATERIAL??Top layer:80% Nylon 20% Spandex; Bottom:95% cotton 5% Nylon; High quality material: they are ultra-soft and smooth. Invisible socks with super soft comfort feeling with great ability to soak up sweat. Keep dry all day.?SIZE: 2 Size design to fit most women; so you don’t worry about the size. [ US 5-8 ] [ US 9-11 ]?ANTI SLIP & LOW CUT: Silicone gel circle to keep them firmly on your instep and heel grip, will not fall off the feet; Low cut Shoe Shape Unique Design keep invisible.?BREATHABLE MESH: The socks bottom are made of cotton with a breathable nylon fabric covering toes and non-skid silicone patches at bottom, which make your feet stay dry and fresh all day.?100% NO SHOW: JARSEEN no show liners stop pretty close to the toe line, just covering the end of your toes.Elastic comfortable socks perfect for ballet shoes, pumps, high-heel shoe, sneakers, Flat shoe, Boat Shoes, Loafers, ect.